Tune in THIS SUNDAY, July 20, when CBS Sunday Morning features the Clara Barton Missing Soldiers Office Museum in Washington, D.C. The Emmy Award-winning program, hosted by Jane Pauley, airs on CBS at 9:00 a.m. ET, and the full episode becomes available for streaming on the CBS News app at 11:00 a.m. ET.

CBS correspondent Falie Salie and National Museum of Civil War Medicine Executive Director David Price will take viewers inside the historic boarding house and building where Clara Barton lived and worked during the Civil War, organizing efforts to identify more than 22,000 missing Union soldiers.

The Clara Barton Missing Soldiers Office Museum is one of Washington, D.C.’s most unique historic spots. It’s one of the city’s best kept secrets, but it won’t be for long. Plan your visit! The Museum is located at 437 7th St NW, Washington, D.C., and is open Thursdays, Fridays, and Saturdays from 11:00 a.m. to 5:00 p.m.